Example usage for com.fasterxml.jackson.core JsonParser getCurrentToken

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser getCurrentToken.

Prototype

public abstract JsonToken getCurrentToken();

Source Link

Document

Accessor to find which token parser currently points to, if any; null will be returned if none.

Usage

From source file:com.basistech.rosette.dm.jackson.ListAttributeDeserializer.java

@Override
@SuppressWarnings("unchecked")
public ListAttribute deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    if (jp.getCurrentToken() == JsonToken.START_OBJECT) { // this is what we expect.
        // we advance to be in the same place the 'else' will be -- the first FIELD_NAME.
        jp.nextToken();/* w  w  w. j ava 2  s  .  com*/
    } else {
        /* In a full AnnotatedText, which is already doing some polymorphism shuffling, we end up here. */
        /* We find a FIELD_NAME for the first field of the object */
        if (jp.getCurrentToken() != JsonToken.FIELD_NAME) {
            throw ctxt.wrongTokenException(jp, JsonToken.START_OBJECT,
                    "ListAttributeDeserializer called not at or FIELD_NAME of first field");
        }
        /* We are at the field name, ready for the loop. */
    }
    TokenBuffer tb = null;
    for (JsonToken t = jp.getCurrentToken(); t == JsonToken.FIELD_NAME; t = jp.nextToken()) {
        String name = jp.getCurrentName();
        if ("itemType".equals(name)) { // gotcha!
            return deserialize(jp, ctxt, tb);
        }
        if (tb == null) {
            tb = new TokenBuffer(null, false);
        }
        tb.copyCurrentStructure(jp);
    }
    throw ctxt.mappingException("No itemType provided in a list");
}

From source file:com.wavemaker.commons.json.deserializer.WMSqlDateDeSerializer.java

@Override
public Date deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
        throws IOException, JsonProcessingException {
    JsonToken currentToken = jsonParser.getCurrentToken();
    if (currentToken == JsonToken.VALUE_STRING) {
        String value = jsonParser.getText();
        return getDate(value);
    }/*from w ww  .  j  av  a  2s. co  m*/
    throw new WMRuntimeException("Unable to read the token as java.sql.Date");
}

From source file:net.nullschool.grains.jackson.datatype.AbstractBasicConstCollectionDeserializer.java

@Override
public T deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException {
    JsonToken token = jp.getCurrentToken();
    if (token != JsonToken.START_ARRAY) {
        throw ctxt.mappingException(collectionType.getRawClass());
    }/*from w  w  w  . j a  v  a  2 s.  c  om*/

    if ((token = jp.nextToken()) == JsonToken.END_ARRAY) {
        return emptyResult();
    }

    JsonDeserializer<?> ed = elementDeserializer;
    TypeDeserializer etd = elementTypeDeserializer;

    List<Object> elements = null;
    Object element;
    do {
        element = token != JsonToken.VALUE_NULL
                ? etd == null ? ed.deserialize(jp, ctxt) : ed.deserializeWithType(jp, ctxt, etd)
                : null;

        token = jp.nextToken();
        if (elements == null) {
            if (token == JsonToken.END_ARRAY) {
                return resultOf(element);
            }
            elements = new ArrayList<>();
        }
        elements.add(element);
    } while (token != JsonToken.END_ARRAY);

    return asResult(elements);
}

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.EdmxDeserializer.java

@Override
public Edmx deserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    final Edmx edmx = new Edmx();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();
        if (token == JsonToken.FIELD_NAME) {
            if ("Version".equals(jp.getCurrentName())) {
                edmx.setVersion(jp.nextTextValue());
            } else if ("DataServices".equals(jp.getCurrentName())) {
                jp.nextToken();//ww w .  j a v  a 2  s.c  o  m
                edmx.setDataServices(jp.getCodec().readValue(jp, DataServices.class));
            }
        }
    }

    return edmx;
}

From source file:org.tanrabad.survey.service.json.MultiPolygonTypeConverter.java

private List<Location> getChildPolygon(JsonParser jsonParser) throws IOException {
    List<Location> eachChildPolygon;
    if (jsonParser.getCurrentToken() == JsonToken.START_ARRAY) {
        eachChildPolygon = new ArrayList<>();
        while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
            eachChildPolygon.add(getLocation(jsonParser));
        }//from  w  w w  . ja  va 2  s  . c  o  m
    } else {
        eachChildPolygon = null;
    }
    return eachChildPolygon;
}

From source file:com.orange.clara.cloud.truststore.CertificateJsonDeserializer.java

@Override
public List<Certificate> deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {
    ObjectMapper mapper = (ObjectMapper) jp.getCodec();
    if (jp.getCurrentToken().equals(JsonToken.START_ARRAY)) {
        final List<String> certificates = mapper.readValue(jp, new TypeReference<List<String>>() {
        });// ww  w. j  a v a2 s.  c  o m
        final List<Certificate> collect = certificates.stream().map(e -> CertificateFactory.newInstance(e))
                .collect(Collectors.toList());
        return collect;
    } else {
        //consume this stream
        mapper.readTree(jp);
        return new ArrayList<Certificate>();
    }
}

From source file:org.tanrabad.survey.service.json.MultiPolygonTypeConverter.java

@Override
public List<JsonPolygon> parse(JsonParser jsonParser) throws IOException {

    List<JsonPolygon> polygonList;
    if (jsonParser.getCurrentToken() == JsonToken.START_ARRAY) {
        polygonList = new ArrayList<>();
        while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
            ArrayList<List<Location>> polygon = new ArrayList<>();
            while (jsonParser.nextToken() != JsonToken.END_ARRAY) {
                polygon.add(getChildPolygon(jsonParser));
            }/*from  w w w .  j a v  a2  s  . c  o  m*/
            polygonList.add(new JsonPolygon(getBoundary(polygon), getHoles(polygon)));
        }
    } else {
        polygonList = null;
    }
    return polygonList;
}

From source file:com.msopentech.odatajclient.engine.data.metadata.edm.EntityKeyDeserializer.java

@Override
public EntityKey deserialize(final JsonParser jp, final DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    final EntityKey entityKey = new EntityKey();

    for (; jp.getCurrentToken() != JsonToken.END_OBJECT; jp.nextToken()) {
        final JsonToken token = jp.getCurrentToken();

        if (token == JsonToken.FIELD_NAME && "PropertyRef".equals(jp.getCurrentName())) {
            jp.nextToken();//from  w  ww .j  a v  a2s .c o m
            entityKey.getPropertyRefs().add(jp.getCodec().readValue(jp, PropertyRef.class));
        }
    }

    return entityKey;
}

From source file:com.google.openrtb.json.OpenRtbJsonExtComplexReader.java

@SuppressWarnings("unchecked")
private void readRepeated(EB msg, JsonParser par) throws IOException {
    par.nextToken();// ww  w.  ja  va2 s. c  o m
    JsonToken tokLast = par.getCurrentToken();
    JsonLocation locLast = par.getCurrentLocation();
    for (startArray(par); endArray(par); par.nextToken()) {
        boolean objRead = false;
        XB ext = (XB) key.getMessageDefaultInstance().toBuilder();
        for (startObject(par); endObject(par); par.nextToken()) {
            read(ext, par);
            JsonToken tokNew = par.getCurrentToken();
            JsonLocation locNew = par.getCurrentLocation();
            if (tokNew != tokLast || !locNew.equals(locLast)) {
                objRead = true;
            }
            tokLast = tokNew;
            locLast = locNew;
        }
        if (objRead) {
            msg.addExtension(key, ext.build());
        }
    }
}

From source file:com.wavemaker.commons.json.deserializer.WMDateDeSerializer.java

@Override
public Date deserialize(JsonParser jsonParser, DeserializationContext deserializationContext)
        throws IOException, JsonProcessingException {
    JsonToken currentToken = jsonParser.getCurrentToken();
    if (currentToken == JsonToken.VALUE_STRING) {
        String value = jsonParser.getText();
        return getDate(value);
    }// ww w  .  ja  v a  2s. c om
    return super.deserialize(jsonParser, deserializationContext);
}